Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-356 A Columbia MO CLMAMOXAYMD  6529 T-MOBILE USA, INC. 521      
573-356 0 Columbia MO CLMAMOXAXCX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521   2003-08-31   
573-356 1 Columbia MO CLMAMOXAXCX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521   2003-11-20   
573-356 2 Columbia MO CLMAMOXAXCX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521   2010-04-08   
573-356 3 Columbia MO CLMAMOXAYMD  6529 T-MOBILE USA, INC. 521      
573-356 4 Columbia MO CLMAMOXAYMD  6529 T-MOBILE USA, INC. 521      
573-356 5 Columbia MO CLMAMOXAYMD  6529 T-MOBILE USA, INC. 521      
573-356 6 Columbia MO CLMAMOXAYMD  6529 T-MOBILE USA, INC. 521      
573-356 7 Columbia MO CLMAMOXAYMD  6529 T-MOBILE USA, INC. 521      
573-356 8 Columbia MO CLMAMOXAYMD  6529 T-MOBILE USA, INC. 521      
573-356 9 Columbia MO   5562 METROPCS, INC. 521      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.